Home / 7,540.48-10,407.72-4,558.60

Finding the Fourth Proportional to 7,540.48, 10,407.72 and 4,558.60

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Solution

The fourth proportional to 7,540.48, 10,407.72 and 4,558.60 is: 6,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.48 : 10,407.72 = 4,558.60 : x
  2. Step 2: Convert to fraction form
    7,540.48/10,407.72 = 4,558.60/x
  3. Step 3: Cross multiply
    7,540.48x = 10,407.72 × 4,558.60
  4. Step 4: Simplify right side
    7,540.48x = 47,444,632.39
  5. Step 5: Solve for x
    x = 47,444,632.39/7,540.48
  6. Step 6: Final answer
    x = 6,291.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.